Ventilator display screen with a user interface



FIG. 1 is a front view of a ventilator display screen with a user interface showing our new design; and,

FIG. 2 is a front view thereof, where the user interface is shown separately and enlarged for clarity of the claim.

The broken line showings of the images and display screen are included for the purpose of illustrating unclaimed portions of the ventilator display screen with a user interface and form no part of the claimed design. 

The ornamental design for a ventilator display screen with a user interface, as shown and described. 